Chip mounting device

Details Chip mounting device Chip mounting device

2005-05-17

2005-05-17

Niebling, John F. (Department: 2812)

Metal working

Means to assemble or disassemble

Means to assemble electrical device

C414S783000

Reexamination Certificate

active

06892447

ABSTRACT:
A method accurately calibrating a movement control system of mark recognition in a chip mounting device, comprising the steps of: recognizing a first recognition mark put on a head (2) and a second recognition mark (13) put on a stage (26) with two-field recognition means (7) so as to calibrate and update the preceding control parameters inputted into the movement control system of the two-field recognition means (7); and, with the head (2) lowered to position the first recognition mark closely to the second recognition mark (13), recognizing both marks with third recognition means (20) when the two-field recognition means (7) is moved back so as to calibrate and update the preceding control parameters inputted into the movement control system of the two-field recognition means (7).

REFERENCES:
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patent: 6435808 (2002-08-01), Araya et al.
patent: 07-245500 (1995-09-01), None
patent: 10-125728 (1998-05-01), None
patent: 10-150059 (1998-06-01), None
International Search Report for PCT/JP00/08031 mailed on Dec. 26, 2000.
International Preliminary Examination Report completed on Apr. 11, 2001.

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